19.6
21.0
21.0
0.5
21.0
4.3
the percent is 28.37837838, if rounded to the nearest tenth it is 28.4
21.0
0.216494845 or .2 rounded to the nearest tenth
This is simply done by entering 21 into the calculator, and hitting the square root sign. This answer, rounded to the nearest tenth is 4.6.
Oh, dude, rounding 21 to the nearest hundred? That's like asking me to find a unicorn in a haystack. But hey, technically speaking, when you round 21 to the nearest hundred, it stays as 21. It's like trying to make a penny into a dollar - just not gonna happen.
0.7086